SAN FRANCISCO—Officers from the San Francisco Police Department (SFPD) are investigating four separate stabbings that occurred between November 10 and November 11. According to authorities, all four stabbings occurred within seven hours of each other and are believed to be unrelated. All victims were men from different neighborhoods, and all suffered stab wounds.

The SFPD reported that the first stabbing incident occurred at around 8:30 p.m. on November 10, near the Embarcadero on Spear and Beale Streets. The victim was stabbed in the abdomen, and his age and identity have not been released to the public.

The second stabbing occurred 2 hours later, at around 11 p.m. Officers responded to the 100 block of Jones Street in the Tenderloin District, where they found a man, 30, with stab wounds from a sharp object.

On November 11, a third victim, 28, was stabbed near Valencia Street, and walked himself into a hospital nearby at around 1:10 a.m. The victim told authorities that an unidentified suspect stabbed him with a knife.

The last stabbing occurred at around 3:10 a.m., on Rey Street. The victim, a 41-year-old male, suffered stab wounds and was taken to a local hospital for treatment.

The San Francisco Police Department announced that all four victims are expected to survive, and all the incidents remain under investigation. No arrests in any of the incidents have been made, and authorities are still seeking suspects. Anyone with information about any of the incidents is asked to call the SFPD’s anonymous tip line at 415 575 4444, or text the word “SFPD” to TIP411.